TX4139 AI Analysis:
Specs, Applications & Alternatives

AI summary

TX4139 product

TX4139

PMIC - Voltage Regulators - DC DC Switching Regulators

Buck ConverterDC-DCHigh Voltage2A

The TX4139 is a 2A, 75V step-down converter suitable for high-voltage industrial and consumer power applications.

Best for

  • High-voltage step-down conversion
  • E-bike power systems

Avoid if

  • Applications requiring >2A output current
  • Extremely space-constrained designs without thermal management

Check before use

  • Sense resistor value for peak current limit
  • Inductor saturation current rating

Key specifications

Input Voltage
4.5V - 75V
Max Output Current
2A
Switching Frequency
200KHz
Efficiency
Up to 91.8%

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

PowerE-bike

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The TX4139 is a monolithic, current-mode step-down (buck) DC-DC converter capable of delivering 2A of continuous output current from an input voltage up to 75V.